12111000210212 has 6 divisors (see below), whose sum is σ = 21194250367878. Its totient is φ = 6055500105104.

The previous prime is 12111000210181. The next prime is 12111000210289. The reversal of 12111000210212 is 21201200011121.

It can be written as a sum of positive squares in only one way, i.e., 11722502306596 + 388497903616 = 3423814^2 + 623296^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513875026273 + ... + 1513875026280.

It is an arithmetic number, because the mean of its divisors is an integer number (3532375061313).

Almost surely, 2^{12111000210212} is an apocalyptic number.

It is an amenable number.

12111000210212 is a deficient number, since it is larger than the sum of its proper divisors (9083250157666).

12111000210212 is a wasteful number, since it uses less digits than its factorization.

12111000210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027750052557 (or 3027750052555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12111000210212 its reverse (21201200011121), we get a palindrome (33312200221333).

The spelling of 12111000210212 in words is "twelve trillion, one hundred eleven billion, two hundred ten thousand, two hundred twelve".